$file = FileOpen("output.txt",1)
If $file = -1 Then
	MsgBox(0,"Error","Fandt ikke output filen!")
	Exit
EndIf

$handle = WinGetHandle("Facebook")
$checksum = PixelChecksum(156,384, 194,423,1,$handle)
MsgBox(64,"fgji",$checksum)

FileWriteLine($file,$checksum)